73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
#ifndef LIBNETHOGS_H_
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#define LIBNETHOGS_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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#define NETHOGS_DSO_VISIBLE __attribute__((visibility("default")))
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#define NETHOGS_DSO_HIDDEN __attribute__((visibility("hidden")))
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#define NETHOGS_APP_ACTION_SET 1
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#define NETHOGS_APP_ACTION_REMOVE 2
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#define NETHOGS_STATUS_OK 0
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#define NETHOGS_STATUS_FAILURE 1
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#define NETHOGS_STATUS_NO_DEVICE 2
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typedef struct NethogsMonitorRecord {
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int record_id;
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const char *name;
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int pid;
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uint32_t uid;
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const char *device_name;
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uint32_t sent_bytes;
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uint32_t recv_bytes;
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float sent_kbs;
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float recv_kbs;
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} NethogsMonitorRecord;
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/**
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* @brief Defines a callback to handle updates about applications
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* @param action NETHOGS_APP_ACTION_SET if data is beeing added or updated,
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* NETHOGS_APP_ACTION_REMOVE if data is beeing removed.
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* the record_id member is used to uniquely identify the data beeing
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* update or removed.
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* @param data a pointer to an application usage data. the pointer remains valid
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* until
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* the callback is called with NETHOGS_APP_ACTION_REMOVE for the same
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* pointer.
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* the user should not modify the content of the structure pointed by
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* data.
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*/
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typedef void (*NethogsMonitorCallback)(int action,
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NethogsMonitorRecord const *data);
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/**
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* @brief Enter the process monitoring loop and reports updates using the
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* callback provided as parameter.
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* This call will block until nethogsmonitor_breakloop() is called or a failure
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* occurs.
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* @param cb A pointer to a callback function following the
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* NethogsMonitorCallback definition
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*/
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NETHOGS_DSO_VISIBLE int nethogsmonitor_loop(NethogsMonitorCallback cb);
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/**
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* @brief Makes the call to nethogsmonitor_loop return.
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*/
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NETHOGS_DSO_VISIBLE void nethogsmonitor_breakloop();
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#undef NETHOGS_DSO_VISIBLE
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#undef NETHOGS_DSO_HIDDEN
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#ifdef __cplusplus
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}
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#endif
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#endif // LIBNETHOGS_H_
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